Change directory structure.

[dvibrowser/dvi2epub.git] / src / main / java / jp / sourceforge / dvibrowser / dvi2epub / cmd / AbstractCommand.java

diff --git a/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AbstractCommand.java b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AbstractCommand.java
new file mode 100644 (file)
index 0000000..2394dc3
--- /dev/null
+++ b/src/main/java/jp/sourceforge/dvibrowser/dvi2epub/cmd/AbstractCommand.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2012, Takeyuki Nagao
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the
+ * following conditions are met:
+ * 
+ *  * Redistributions of source code must retain the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *    
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ */
+
+package jp.sourceforge.dvibrowser.dvi2epub.cmd;
+
+import java.io.PrintWriter;
+
+public abstract class AbstractCommand implements Command {
+       private PrintWriter writer = new PrintWriter(System.out, true);
+
+       public AbstractCommand() {
+       }
+
+       public abstract int execute(String[] args) throws CommandException;
+
+       public void showUsage() throws CommandException {
+               showUsage(getWriter());
+       }
+
+       public void showUsage(PrintWriter out) throws CommandException {
+               out.println(getApplicationName() + " " + getCommandLineSyntax());
+               out.flush();
+       }
+
+       public String getCommandLineSyntax() throws CommandException {
+               return "[options]";
+       }
+
+       public String getApplicationName() throws CommandException {
+               return getClass().getName();
+       }
+
+       public void setWriter(PrintWriter writer) {
+               this.writer = writer;
+       }
+
+       public PrintWriter getWriter() {
+               return writer;
+       }
+}